Hi,
I am a new poster, although I've been a lurker for a long time and hope the wealth of experience on LinuxQuestions can help me solve an issue I've been pulling my hair out for the last week.

I am undergoing PCI compliancy scans and have been able to solve all the issues indicated with the exception of one: SSL Server Supports Weak Encryption Vulnerabilityport over port 25. Now before I go over the list of solutions I've tried let me post my Postfix main.cf and master.cf: